S
M
T
W
T
F
S
26
81°
58°
27
86°
65°
28
81°
66°
29
79°
63°
30
83°
55°
31
85°
55°
1
81°
62°
2
83°
68°
3
81°
64°
4
86°
57°
5
89°
68°
6
86°
69°
7
84°
68°
8
85°
66°
9
85°
67°
10
79°
67°
11
73°
65°
12
76°
64°
13
82°
63°
14
75°
66°
15
81°
64°
16
85°
69°
17
83°
70°
18
81°
64°
19
78°
61°
20
75°
65°
21
80°
59°
22
82°
60°
23
74°
53°
24
73°
52°
25
76°
55°
26
79°
57°
27
78°
62°
28
77°
59°
29
78°
60°
30
79°
61°
31
79°
62°
1
79°
57°
2
74°
54°
3
75°
55°
4
73°
62°
5
73°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Harrisville
Harrisville's August 2026 forecast shows daily high temperatures ranging from 73° to 82°, with overnight lows between 52° and 62°. The average high for August is 77° with an average low of 58°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Harrisville. See also: September | October | November.
